Malicious PDF — malware analysis report

Static analysis result for SHA-256 e34979fac07e54eb…

MALICIOUS

PDF

57.4 KB Created: 2020-08-06 21:04:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b9180afb21e0b65074312632bbc7a8b0 SHA-1: 9cc6109708a88da7aa23c0594d6d43722ac99fac SHA-256: e34979fac07e54eb818ae77f21db38ec939b064b7c23ca5efcb9cec7de074757
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a high density of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=bible+in+english+pdf', which is flagged as malicious. This suggests the PDF is part of a link farm or SEO spam campaign designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=bible+in+english+pdf
    • http://ribomasez.renegadesfp.com/uploads/1/3/0/9/130969742/zabefel_suvodonimik_xebibol_bolivino.pdf
    • http://pawekaxe.morgan-lindsey.com/uploads/1/3/0/8/130814328/c0f03eb0e30c023.pdf
    • http://files.manchesterartistsbookfair.com/uploads/1/3/0/7/130775506/wuzakubonukipij_jinitudi.pdf
    • https://cdn.shopify.com/s/files/1/0435/6128/7839/files/29596022172.pdf
    • https://cdn.shopify.com/s/files/1/0429/9315/6259/files/pinalibomilata.pdf
    • https://cdn.shopify.com/s/files/1/0432/3000/3358/files/pitemabivatotatotevunib.pdf
    • https://cdn.shopify.com/s/files/1/0432/2351/5294/files/bitoxedo.pdf
    • https://cdn.shopify.com/s/files/1/0427/9799/0055/files/wipivetef.pdf
    • https://cdn.shopify.com/s/files/1/0428/3134/7868/files/fitil.pdf
    • https://cdn.shopify.com/s/files/1/0437/1175/8504/files/free_trx_workout.pdf
    • https://cdn.shopify.com/s/files/1/0430/7088/1946/files/rudatada.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/3359516262.pdf
    • https://cdn.shopify.com/s/files/1/0430/8497/2183/files/mojatoporonex.pdf
    • https://cdn.shopify.com/s/files/1/0430/0003/7527/files/arithmetic_formulas_in_telugu.pdf
    • https://cdn.shopify.com/s/files/1/0430/6498/3701/files/46711891397.pdf
    • https://cdn.shopify.com/s/files/1/0432/7142/2115/files/zezewuniponitebepivipu.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009565.bin
4a366c44a9979e7b91269be561c3a3da0b74a4135a511452dfa156705fc1fd30
pdf-font-stream PDF embedded font (sfnt) at offset 0x9565 4784 bytes
font_01_sfnt_off0000a58f.bin
0cc6bd399d5a1f331c6c8014a935acccdf5df6cb1b7020bd8e46af32fabea4de
pdf-font-stream PDF embedded font (sfnt) at offset 0xA58F 10712 bytes
font_02_sfnt_off0000ca36.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
pdf-font-stream PDF embedded font (sfnt) at offset 0xCA36 4324 bytes